document.write( "Question 476591: A chemist has 500g of a solution that is 40% acid. How many grams of water must be added to reduce the acidity to 25%? \n" ); document.write( "
Algebra.Com's Answer #326791 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A chemist has 500g of a solution that is 40% acid. \n" ); document.write( " How many grams of water must be added to reduce the acidity to 25%? \n" ); document.write( "; \n" ); document.write( "Let x = amt of water required to accomplish this \n" ); document.write( "A simple equation \n" ); document.write( ": \n" ); document.write( ".40(500) = .25(x+500) \n" ); document.write( "200 = .25x + 125 \n" ); document.write( "200 - 125 = .25x \n" ); document.write( "75 = .25x \n" ); document.write( "x = \n" ); document.write( "x = 300 grams of water required \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check, amt of acid should be equal \n" ); document.write( ".40(500) = .25(300+500) \n" ); document.write( "200 = 200 \n" ); document.write( " |